aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/arm/unwind-dw2-fde-glibc.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/arm/unwind-dw2-fde-glibc.c')
-rw-r--r--sysdeps/arm/unwind-dw2-fde-glibc.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/sysdeps/arm/unwind-dw2-fde-glibc.c b/sysdeps/arm/unwind-dw2-fde-glibc.c
new file mode 100644
index 0000000..6b2110c
--- /dev/null
+++ b/sysdeps/arm/unwind-dw2-fde-glibc.c
@@ -0,0 +1,79 @@
+/* Dummy exception handling and frame unwind runtime interface routines.
+ Copyright (C) 2004-2014 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* ARM uses setjmp-longjmp exceptions. However, previous versions of
+ GNU libc exported some DWARF-2 exception handling support routines.
+ They are not necessary, but older (or broken) configurations of GCC
+ will do so. Even though all references to these are weak, because
+ they refer to versioned symbols, they must be provided. */
+
+#include <stdlib.h>
+#include <unwind.h>
+#include <unwind-dw2-fde.h>
+
+/* These may be called from startup code, but don't need to do
+ anything. */
+
+void __register_frame_info_bases (void *a1, struct object *a2,
+ void *a3, void *a4)
+{
+}
+
+void __register_frame_info (void *a1, struct object *a2)
+{
+}
+
+void __register_frame (void *a1)
+{
+}
+
+void __register_frame_info_table_bases (void *a1, struct object *a2,
+ void *a3, void *a4)
+{
+}
+
+void __register_frame_info_table (void *a1, struct object *a2)
+{
+}
+
+void __register_frame_table (void *a1)
+{
+}
+
+void *__deregister_frame_info (void *a1)
+{
+ return NULL;
+}
+
+void *__deregister_frame_info_bases (void *a1)
+{
+ return NULL;
+}
+
+void __deregister_frame (void *a1)
+{
+}
+
+/* This should not be called. */
+
+fde *
+_Unwind_Find_FDE (void *a1, struct dwarf_eh_bases *a2)
+{
+ abort ();
+}